Open-source audio transcoding proxy that renders variants on demand from signed URLs
Stage
Established
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Paid
Free
Pricing
Static QR codes are free. Dynamic QR codes cost ₹999 ($19 USD) as a one-time payment. QR Pages cost ₹1,999 ($39 USD). Credit packs include Starter Pack (3 credits for ₹2,499 / $49) and Business Pack (10 credits for ₹7,499 / $149). Industry kits range from ₹3,499 to ₹4,299. No subscriptions or recurr
Open source and free to self-host
Key features
Static QR code generation
Dynamic QR codes with editable destinations
Scan analytics
Custom design and frames
Data export
Bulk QR code generator from CSV
Wi-Fi QR code generation
vCard QR code generation
Google review QR code generation
On-demand audio transcoding from signed URLs
Multiple output formats: MP3, AAC, M4A, Opus, Ogg, FLAC, WAV, and peaks
Audio trimming, fades, gain and EBU R128 loudness normalization
Speech cleanup with enhance:voice preset
Waveform peaks generation compatible with audiowaveform
Expiring URLs excluded from cache key
Render stream while encoding with real-time caching
Range-capable seeking for cached variants
Immutable cache with long-lived variant URLs
Audio-only enforcement preventing video processing
What makes it different
One-time payment instead of monthly subscriptions with no renewals or surprise invoices
Codes never expire or get deactivated based on billing or inactivity, only by the owner
Edit code destinations after printing without reprinting
Unlimited scans with no metering or limits
Static fallback export for data portability and service exit
URL-based API with no request bodies or server-side state
Options normalize to same cache key regardless of order
Streams first render to client while caching simultaneously
Range-seeking on cached variants with CDN-friendly immutable policies
Open source with Elixir implementation and reference signing algorithms
audioproxy